Drypetes littoralis (C. B. Rob.) Merr. in Philipp. Journ. Sei. Bot. 29: 380, 1926; Li, Woody Fl. Taiwan 423. 1936; Airy Shaw in Kew Bull. Add. Ser. 4: 103. 1975 Y. C. Liu, ligneous Pl. Taiwan 413. 1976; Hsieh in Li, Fl. Taiwan 3: 458. 1977. ——Cyclostemvn littoralis C. B. Rob. in Philipp. Journ. Sci. Bot. 3: 198. 1908; Mrrr. ENUM. Philpp. Fl. Pl. 2: 407. 1923. ——C. iwahigensis Elm. Leafl. Philipp. Bot. 4: 1278. 1911, p. p. ; Merr. Enum. Philipp. Fl. Pl. 2: 406. 1923. ——C. mindorensis Merr. in Philipp. Journ. Sci. Bot. 9: 479. 1914, et Enum. Philipp. Fl. Pl. 2: 408. 1923. ——Drypes mindorensis (Merr.) Pax et Hoffm. in Engl. Pflanzenr. 81 (IV. 147. XV): 274. 1921. ——Cyclostemon yamadai Kanehira et Sasaki in Sasaki, Cat. Governm. Herb. Form. 303. 1930; nom. nud. ——D. yamadai (Kanehira et Sasaki) Kanehira et Sasaki in Trans. Nat. Hist. Soc. Form. 21: 1 45. 1931; nom. seminud. ; Kanehira, Form. Trees Rev. ed. 339, fig. 293. 1936. ——D. falcata auct. non Pax et Hoffm.: H. Keng in Journ. Wash. Acad. Sci. 41 (6): 203. 1951. ——D. falcata (Merr.) Pax et Hoffm. var. yamadai (Kanehira et Sasaki) Hurusawa in Journ. Fac. Sci. Univ. Tokyo Bot. III, 6 (6): 335. 1954.
小喬木；枝條圓柱形，無毛。葉片革質，長圓形至長卵形，略呈鐮刀狀，長6-10厘米， 寬3.5-5厘米，頂端急尖至鈍，基部寬楔形，全緣；葉柄長3-6毫米。核果單生或3-4個簇生，橢圓狀卵圓形，長12-15毫米，直徑8-10毫米，2室，外果皮革質，被緊貼短柔毛。
產於台灣省蘭嶼等地，生於海岸林中。菲律賓、印度尼西亞等也有。模式標本采自菲律賓。
